The W-9 is one of the most commonly faxed tax forms in the US — and TigerFax makes sending it from your iPhone fast and secure.
Never fax a W-9 without a confidentiality cover page — it contains your Social Security Number or EIN
Open TigerFax
Open TigerFax and tap the compose button
Scan or upload your document
Scan your W-9 with the camera or upload the PDF from Files
Add a cover page
Add a cover page with a confidentiality notice (recommended for tax documents)
Enter the fax number
Enter the recipient's fax number
Review and send
Review the document preview, then tap Send
Secure transmission
TigerFax transmits all faxes over encrypted connections. Your documents are never stored on third-party servers after transmission.
TigerFax works on all iPhones running iOS 15 or later. Here are the best options for faxing W-9 Forms:
TigerFax
Free to start · No credit card required · iOS only
Download on the App Store